3681050550 has 96 divisors (see below), whose sum is σ = 9330450432. Its totient is φ = 960180480.

The previous prime is 3681050539. The next prime is 3681050609. The reversal of 3681050550 is 550501863.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1389327 + ... + 1391973.

It is an arithmetic number, because the mean of its divisors is an integer number (97192192).

Almost surely, 2^3681050550 is an apocalyptic number.

3681050550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3681050550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4665225216).

3681050550 is an abundant number, since it is smaller than the sum of its proper divisors (5649399882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3681050550 is a wasteful number, since it uses less digits than its factorization.

3681050550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862 (or 2857 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 3681050550 is about 60671.6618364785. The cubic root of 3681050550 is about 1544.0354260331.

The spelling of 3681050550 in words is "three billion, six hundred eighty-one million, fifty thousand, five hundred fifty".